A burglar alarm system has six fail-safe components. The probability of each failing is 0.05. Find the probability that exactly three will fail.

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6